configure.ac

# Copyright (C) 2022 IBM Corp.
# SPDX-License-Identifier: Apache-2.0
#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.71])
AC_INIT([openssl-pkcs11-sign-provider],
	[1.0.1],
	[https://github.com/opencryptoki/openssl-pkcs11-sign-provider/issues]
)

AC_CONFIG_SRCDIR([config.h.in])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIRS([m4])

AM_INIT_AUTOMAKE([foreign])
AM_SILENT_RULES([yes])

# Checks for programs.
AC_PROG_CXX
AC_PROG_AWK
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
LT_INIT([shared disable-static])
PKG_PROG_PKG_CONFIG

# Checks for libraries.
PKG_CHECK_MODULES(
	[OPENSSL],[libcrypto >= 3.0.8, libssl],
	,
	[AC_MSG_ERROR([libcrypto >= 3.0.8 is required])]
)

# Checks for header files.

# Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_HEADER_STDBOOL
AC_C_INLINE
AC_C_RESTRICT
AC_TYPE_SIZE_T

# Checks for library functions.
AC_CHECK_FUNCS([memset strchr strtoul])

# Compile flags
m4_ifdef([AX_CHECK_COMPILE_FLAG],
	[AX_CHECK_COMPILE_FLAG(
		[-std=c99],
		[CFLAGS="$CFLAGS -std=c99"],
		AC_MSG_ERROR([C compiler must support C99 standard]))],
	[AC_MSG_ERROR([AX_CHECK_COMPILE_FLAG macro is missing.])]
)
STD_CFLAGS="-Wall -Wextra"

AC_SUBST([STD_CFLAGS])
AC_SUBST([SHARED_EXT], $(eval echo "${shrext_cmds}"))

AC_CONFIG_FILES([Makefile
                 man/Makefile
                 src/Makefile
                 tests/Makefile])
AC_OUTPUT